Home / 516,976,565.50-713,330,087.83-308,152,138.96

Finding the Fourth Proportional to 516,976,565.50, 713,330,087.83 and 308,152,138.96

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Solution

The fourth proportional to 516,976,565.50, 713,330,087.83 and 308,152,138.96 is: 425,191,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,976,565.50 : 713,330,087.83 = 308,152,138.96 : x
  2. Step 2: Convert to fraction form
    516,976,565.50/713,330,087.83 = 308,152,138.96/x
  3. Step 3: Cross multiply
    516,976,565.50x = 713,330,087.83 × 308,152,138.96
  4. Step 4: Simplify right side
    516,976,565.50x = 219,814,192,349,339,168
  5. Step 5: Solve for x
    x = 219,814,192,349,339,168/516,976,565.50
  6. Step 6: Final answer
    x = 425,191,792.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.